Genus Methanocella
Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow (→) only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).
Number of species, including synonyms, cited in this file: 3
Number of subspecies, including synonyms, cited in this file: 0
Classification (Warning: see also the file "Classification of prokaryotes: Introduction").
For a detailed description of this taxon see Bergey’s Manual of Systematics of Archaea and Bacteria (BMSAB).
Methanocella Sakai et al. 2008, gen. nov. (Type genus of the order ¤ Methanocellales Sakai et al. 2008; type genus of the family ¤ Methanocellaceae Sakai et al. 2008).
Type species: ¤ Methanocella paludicola Sakai et al. 2008.
Etymology: N.L. n. methanum [from French n. méth(yle) and chemical suffix -ane], methane; N.L. pref. methano-, pertaining to methane; L. fem. n. cella, a room, and in biology a cell; N.L. fem. n. Methanocella, a methane-producing cell.
Valid publication: SAKAI (S.), IMACHI (H.), HANADA (S.), OHASHI (A.), HARADA (H.) and KAMAGATA (Y.): Methanocella paludicola gen. nov., sp. nov., a methane-producing archaeon, the first isolate of the lineage 'Rice Cluster I', and proposal of the new archaeal order Methanocellales ord. nov. Int. J. Syst. Evol. Microbiol., 2008, 58, 929-936.
Original article in IJSEM Online
Note: Methanocella spp. were previously known as uncultured archaeal group "rice cluster I" (RC-I).
Methanocella arvoryzae Sakai et al. 2010, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MRE50 = DSM 22066 = NBRC 105507.
Sequence accession no. (16S rRNA gene) for the type strain: AM114193 (whole genome sequence).
Etymology: L. n. arvum, an arable field, cultivated land; L. n. oryza, rice; N.L. gen. n. arvoryzae, of a rice paddy field.
Valid publication: SAKAI (S.), CONRAD (R.), LIESACK (W.) and IMACHI (H.): Methanocella arvoryzae sp. nov., a hydrogenotrophic methanogen isolated from rice field soil. Int. J. Syst. Evol. Microbiol., 2010, 60, 2918-2923.
Original article in IJSEM Online
Methanocella conradii Lü and Lu 2012, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) HZ254 = CGMCC 1.5162 = DSM 24694 = JCM 17849.
Sequence accession no. (16S rRNA gene) for the type strain: JN048683.
Etymology: N.L. masc. gen. n. conradii, of Conrad, named after Ralf Conrad, who has pioneered the studies on RC-I methanogens in environmental samples.
Valid publication: Validation List no. 146. Int. J. Syst. Evol. Microbiol., 2012, 62, 1443-1445.
Effective publication: LÜ (Z.) and LU (Y.): Methanocella conradii sp. nov., a thermophilic, obligate hydrogenotrophic methanogen, isolated from chinese rice field soil. PLoS One, 2012, 7(4):e35279.
Validation List no. 146 in IJSEM Online - Effective publication Online
Methanocella paludicola Sakai et al. 2008, sp. nov. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) SANAE = DSM 17711 = JCM 13418 = NBRC 101707.
Sequence accession no. (16S rRNA gene) for the type strain: AB196288.
Etymology: L. n. palus -udis, swamp, muddy environment; L. suff. -cola (derived from L. n. incola), inhabitant, dweller; N.L. masc. n. paludicola, an inhabitant of muddy environments.
Valid publication: SAKAI (S.), IMACHI (H.), HANADA (S.), OHASHI (A.), HARADA (H.) and KAMAGATA (Y.): Methanocella paludicola gen. nov., sp. nov., a methane-producing archaeon, the first isolate of the lineage 'Rice Cluster I', and proposal of the new archaeal order Methanocellales ord. nov. Int. J. Syst. Evol. Microbiol., 2008, 58, 929-936.
Original article in IJSEM Online